Ishikawa, Midori https://orcid.org/0000-0002-3451-5710
Eto, Kumi
Haraikawa, Mayu
Sasaki, Kemal
Yamagata, Zentaro
Yokoyama, Tetsuji
Kato, Noriko
Morinaga, Yumiko
Yamazaki, Yoshihisa
Article History
Received: 20 September 2017
Accepted: 27 September 2018
First Online: 15 October 2018
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of the Faculty of Medicine at the Aichi Children’s Health and Medical Center, Obu, Aichi, Japan (#201518, July 31, 2015). We sent the request document to the survey to all municipalities. Responses to questionnaires from municipalities were regarded as a consent.
: Not applicable.
: The authors declare that they have no competing interests.
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